Lady Lillian Spencer-Churchill (1873-1951) (1873–1951) Parents Albertha Spencer-Churchill, Duchess of Marlborough George Spencer-Churchill, 8th Duke of Marlborough Children Daphne Grenfell Iris Grenfell unknown daughter Grenfell Siblings Charles Spencer-Churchill, 9th Duke of Marlborough Lady Frances Spencer-Churchill Norah Spencer-Churchill Guy Bertrand Spencer Partners Cecil Grenfell